A building permit is required for a deck that is attached or adjacent to a building having a walking surface of greater than 24" above adjacent grade. Other decks, not described above, that have a walking surface greater than 24" above adjacent grade and area greater that 10 square metres (approximately 108 square feet) also require a building permit. For more information, please visit our Sundeck web page.
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This checklist provides
homeowners a summary of the Building Permit submission requirements for constructing a residential sundeck.
- If the deck is adjacent to or attached to the house and its walking surface is more than 600 mm (24 in.) above the adjacent grade, a permit is required;
- A building permit is also required for an elevated deck providing principal access to a building.
- If the deck is independent from the house (eg. is in the middle of the yard) and has a walking surface greater than 10 square metres (approximately 108 square feet) in area and its walking surface is more than 600 mm (24 in.) above the adjacent grade, a permit is required.
